science

MSM7000

MSM7000 is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand MSM7000 rather than just read about it. In short: MSM7000 is a series of system-on-a-chip processors manufactured by Qualcomm for handheld devices, especially smartphones. Generally these SOCs have the following main components: Applications processor, ARM1136J-S, running Windows Mobile / Android / Linux / etc.

Key takeaways

MSM7000 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect MSM7000 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of MSM7000 from memory before moving on to harder problems.

Reference excerpt

MSM7000 is a series of system-on-a-chip processors manufactured by Qualcomm for handheld devices, especially smartphones. Generally these SOCs have the following main components:

Applications processor, ARM1136J-S, running Windows Mobile / Android / Linux / etc. Applications DSP, QDSP5000, does coding/decoding for media. Baseband processor, ARM9, running a real-time OS and the GSM stack Baseband DSP, QDSP4000, does coding/decoding for telephony Apart from the CPU core the chips contain such hardware as 2D graphics hardware, 3D (OpenGL ES 1.1) graphics hardware, media acceleration hardware (for video decode, etc.), and various interfaces (keyboard, display / MDDI, USB, camera, TV, etc.). They also contain an AXI controller, a kind of memory control unit. They are widely used in smartphones produced by HTC Corporation (including both Windows Mobile and Android devices), Sony Ericsson, LG Group, Samsung, ZTE, and also other devices like the Zeebo.

MSM7200, MSM7200A, MSM7201, MSM7201A The A versions have higher specs (frequencies) and a smaller manufacturing process (65 nm vs. 90 nm). The 7x01 versions have a different radio than the 7x00 versions. Popular phones using these processors:

MSM7200 400 MHz (384 MHz in real) 90 nm; HTC Touch Dual/Touch Cruise, HTC S730, HTC TyTN II MSM7201 400 MHz 90 nm; Palm Treo Pro, Pharos Traveler 117, Pharos Traveler 127 MSM7200A 528 MHz 65 nm; HTC Magic, HTC Hero GSM, HTC Tilt 2, Motorola CLIQ, Motorola CLIQ XT, Motorola Backflip, Samsung i7500 Galaxy, T-Mobile Pulse UK, Sony Ericsson Xperia X1 MSM7201A 528 MHz 65 nm; HTC Dream, HTC Magic, HTC Diamond, T-Mobile Comet US(Huawei Ideos U8150), HTC Touch Pro, Zeebo

MSM7500, MSM7501, MSM7500A, MSM7501A Basically the same as the MSM7200, but with CDMA radio replacing the GSM radio. The A versions have higher specs (frequencies) and a smaller manufacturing process (65 nm vs. 90 nm). The 7x01 versions have a different radio than the 7x00 versions.

MSM7600, MSM7601, MSM7600A, MSM7601A Same as the MSM7200A, but with both GSM and CDMA functionality, each of which can be optionally disabled. The A versions have higher specs (frequencies) and a smaller manufacturing process (65 nm vs. 90 nm). The 7x01 versions have a different radio than the 7x00 versions. Popular phones using these processors:

MSM7600A 528 MHz 65 nm; HTC Hero CDMA, HTC Touch Pro2 - Verizon CDMA specs BlackBerry 8530

MSM7x25 MSM7225 and MSM7625 was later included in the Snapdragon S1 family, see Snapdragon S1

MSM7x27

MSM7227 and MSM7627 was later included in the Snapdragon S1 family, see Snapdragon S1

MSM7x30 MSM7230 and MSM7630 was later included in the Snapdragon S2 family, see Snapdragon S2

References

Worked examples

Example 1 — a first encounter with MSM7000

Start with the simplest possible case. Write down what MSM7000 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to MSM7000 before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about MSM7000 ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of MSM7000

In research: MSM7000 appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses MSM7000 in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: MSM7000 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Embedded microprocessors, Qualcomm, System on a chip, so understanding it makes those chapters shorter.
In everyday life: Look for MSM7000 outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study MSM7000 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what MSM7000 means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain MSM7000 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is MSM7000 in simple terms?

MSM7000 is a series of system-on-a-chip processors manufactured by Qualcomm for handheld devices, especially smartphones. Generally these SOCs have the following main components: Applications processor, ARM1136J-S, running Windows Mobile / Android / Linux / etc.

Why does MSM7000 matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study MSM7000?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on MSM7000.